From a thin piece of cardboard 10 in by 10 in, square comers are cut out so that the sides can be folded up to make a box. What dimensions will yield a box of maximum volume? What is the maximum volume? Round to the nearest tenth, if necessary.
A. 6.7 in x 6.7 in x 3.3 in; 148.1 in^3
B. 5.0 in 5.0 in x 2.5 in; 62.5 in^3
C. 6.7 in x6.7 in x 1.7 in: 74.1 in^3
D. 3.3 in x 3.3 in x 3.3 in: 37.0 in
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